Earpiece, Product Type Earpieces, Compatible Radio Brand Kenwood, Compatible Radio Series NX-P500, Compatible Radio Manufacturer Model Number NXP500K, Compatible Radio Grainger Model Number 494N91, Earpiece Style Earbud, Number of Ears One, Number of Wires 1, Push To Talk Yes, Microphone Location In-Earpiece, Number of Surveillance Kits Included 1, Radio Connector Type 3.5 mm Plug, Earpiece Connection Type Wired, Earpiece Color Black, Cord Length 4 1/8 ft, Volume Control No